Bakers Pride VH1828G Manual - Manual (Page 18)

19. TROUBLESHOOTING GUIDE
THE PROBLEM THE CAUSE THE SOLUTION
Belt master link(s) missing, broken, or
installed incorrectly.
Oven doesn't start
Conveyor belt
doesn't move, or it
moves unevenly.
Unexpected speed
changes.
Drive sprockets worn out, missing, or mis-
aligned
Belt loose. Drive sprockets not engaging
belt links.
Drive coupling loose
Speed setting very high (long cook time)
Drive coupling missing
Conveyor gearmotor failed
Locate and re-install or replace
Replace sprockets or entire drive shaft
assembly. Tighten sprockets to shaft.
CAUTION: THE FOLLOWING TESTS
ARE PERFORMED WITH LIVE POWER
WITH CONTROL BOX OPEN. THESE
TESTS TO BE PERFORMED ONLY BY
1. Test by disconnecting conveyor belt. If
no shaft rotation or motor noise when
power applied, test power supply.
2. Test power supply input connections @
3. Remove cover from power supply
enclosure and verify integrity of internal
Drive shaft pin missing
Conveyor belt jammed
Check power distribution terminal block
below Power Control Box
If belt still too loose, remove one belt link.
Tighten conveyor belt using adjustable
tensioner at one end of belt frame.
Properly re-attach and tighten to
gearmotor output shaft
Remove belt assembly to identify
obstruction to belt movement. Remedy
problem. Straighten bent belt links
Tighten setscrew to gearmotor output
shaft (shaft is "flatted" for setscrew grip)
Align and engage shaft pin to slot in drive
coupling
Install master link(s) properly
Turn ON
Plug cord in
CAUTION: TURN OFF POWER, open
Power Control Box, and flip Reversing
Switch to opposite position.
Adjust speed to FAST to verify if knob is
tight and potentiometer working correctly
Verify that all sprockets are tight and
properly aligned with belt "segments".
Tighten setscrew in knob on pot shaft.
NOTE: Mark on knob should line up with
mark on label to indicate cook time in
minutes. This may require calibration of
belt movement using timing marks on
conveyor frame. For CALIBRATION, see
Section 18.
Conveyor drive shaft not engaged to
coupling
Main circuit breaker OFF
Power cord disconnected
Power connections broken
Conveyor belt running backwards
Speed knob loose
Blown fuse
Main Switch broken
Replace fuse with identical type - 10 amp
Replace
Main Switch OFF Turn ON
18